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Answers to the test yourself and activity questions. I hope these pages will prove a useful and good revision elearning website for revising aqa, edexcel and ocr 21st century and ocr gateway gcse chemistry science. An extended glossary with detailed definitions and examples. The book is now out of print, but if you are interested, you may be able to obtain a secondhand copy from. An open framework made of strips of metal, wood, or similar material overlapped or overlaid in a regular, usually crisscross pattern. Qualifications include gcse, as and a level, nvq and our btec suite of vocational qualifications from entry level to btec higher national diplomas, recognised by employers and higher education institutions worldwide. Lattice definition of lattice by the free dictionary. The indexes are set out in various ways depending on your key stage 4 ks4 gcse science course. Chemistry revision notes on the topic lattice structure. Ionic compounds have high melting points in comparison to many other substances due to the strong. Ionic compounds have regular structures giant ionic lattices in. Aqa gcse chemistry 8462 edexcel gcse chemistry 1ch0 ocr gateway chemistry j248 eduqas wjec chemistry. All one has to do to give rise to a lattice is, to move a unit cell the building block, literally i.249 840 858 851 976 1443 211 393 1169 1077 934 603 429 470 373 969 921 773 286 1181 578 1479 46 430 1267 605 76 1 1086 1262 1166 84 883 87 1385